This is the program for the 2010 Joint Statistical Meetings in Vancouver, British Columbia.

Abstract Details

Activity Number: 534
Type: Contributed
Date/Time: Wednesday, August 4, 2010 : 10:30 AM to 12:20 PM
Sponsor: Section on Statistical Computing
Abstract - #308770
Title: Estimation for Time-to-Event Data in Multistate Models Using R: The msSurv Package
Author(s): Amanda Nicole Ferguson*+ and Guy Brock and Somnath Datta
Companies: University of Louisville and University of Louisville and University of Louisville
Address: , , ,

We present an R package, msSurv, to calculate the marginal stage occupation probabilities and stage entry and exit time distributions for a general, possibly non-Markov, multistage system under left-truncation and right censoring. For a Markov model, msSurv also calculates and returns the marginal integrated transition hazard and the hazard rate functions, as well as, the transition probability matrix between any two stages. Dependent censoring is handled via modeling the censoring hazard through observable covariates. Pointwise confidence intervals for the above mentioned quantities are obtained and returned for independent censoring from closed-form variance estimators and for dependent censoring using the bootstrap.

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